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path: root/yardstick/tests/unit/common/test_utils.py
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##############################################################################
# Copyright (c) 2015 Ericsson AB and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

from copy import deepcopy
import errno
import importlib
import ipaddress
from itertools import product, chain
import os
import socket
import time
import threading

import mock
import six
from six.moves import configparser
import unittest

import yardstick
from yardstick import ssh
from yardstick.common import constants
from yardstick.common import utils
from yardstick.common import exceptions
from yardstick.tests.unit import base as ut_base


class IterSubclassesTestCase(ut_base.BaseUnitTestCase):
    # Disclaimer: this class is a modified copy from
    # rally/tests/unit/common/plugin/test_discover.py
    # Copyright 2015: Mirantis Inc.

    def test_itersubclasses(self):
        class A(object):
            pass

        class B(A):
            pass

        class C(A):
            pass

        class D(C):
            pass

        self.assertEqual([B, C, D], list(utils.itersubclasses(A)))


class ImportModulesFromPackageTestCase(ut_base.BaseUnitTestCase):

    @mock.patch('yardstick.common.utils.os.walk')
    def test_import_modules_from_package_no_mod(self, mock_walk):
        yardstick_root = os.path.dirname(os.path.dirname(yardstick.__file__))
        mock_walk.return_value = ([
            (os.path.join(yardstick_root, 'foo'), ['bar'], ['__init__.py']),
            (os.path.join(yardstick_root, 'foo', 'bar'), [], ['baz.txt', 'qux.rst'])
        ])

        utils.import_modules_from_package('foo.bar')

    @mock.patch('yardstick.common.utils.os.walk')
    @mock.patch.object(importlib, 'import_module')
    def test_import_modules_from_package(self, mock_import_module, mock_walk):

        yardstick_root = os.path.dirname(os.path.dirname(yardstick.__file__))
        mock_walk.return_value = ([
            (os.path.join(yardstick_root, 'foo', os.pardir, 'bar'), [], ['baz.py'])
        ])

        utils.import_modules_from_package('foo.bar')
        mock_import_module.assert_called_once_with('bar.baz')


class GetParaFromYaml(ut_base.BaseUnitTestCase):

    @mock.patch('yardstick.common.utils.os.environ.get')
    def test_get_param_para_not_found(self, get_env):
        file_path = 'config_sample.yaml'
        get_env.return_value = self._get_file_abspath(file_path)
        args = 'releng.file'
        default = 'hello'
        self.assertTrue(constants.get_param(args, default), default)

    @mock.patch('yardstick.common.utils.os.environ.get')
    def test_get_param_para_exists(self, get_env):
        file_path = 'config_sample.yaml'
        get_env.return_value = self._get_file_abspath(file_path)
        args = 'releng.dir'
        para = '/home/opnfv/repos/releng'
        self.assertEqual(para, constants.get_param(args))

    def _get_file_abspath(self, filename):
        curr_path = os.path.dirname(os.path.abspath(__file__))
        file_path = os.path.join(curr_path, filename)
        return file_path


class CommonUtilTestCase(ut_base.BaseUnitTestCase):

    def setUp(self):
        self.data = {
            "benchmark": {
                "data": {
                    "mpstat": {
                        "cpu0": {
                            "%sys": "0.00",
                            "%idle": "99.00"
                        },
                        "loadavg": [
                            "1.09",
                            "0.29"
                        ]
                    },
                    "rtt": "1.03"
                }
            }
        }

    def test__dict_key_flatten(self):
        line = 'mpstat.loadavg1=0.29,rtt=1.03,mpstat.loadavg0=1.09,' \
               'mpstat.cpu0.%idle=99.00,mpstat.cpu0.%sys=0.00'
        # need to sort for assert to work
        line = ",".join(sorted(line.split(',')))
        flattened_data = utils.flatten_dict_key(
            self.data['benchmark']['data'])
        result = ",".join(
            ("=".join(item) for item in sorted(flattened_data.items())))
        self.assertEqual(result, line)

    def test_get_key_with_default_negative(self):
        with self.assertRaises(KeyError):
            utils.get_key_with_default({}, 'key1')

    @mock.patch('yardstick.common.utils.open', create=True)
    def test_(self, mock_open):
        mock_open.side_effect = IOError

        with self.assertRaises(IOError):
            utils.find_relative_file('my/path', 'task/path')

        self.assertEqual(mock_open.call_count, 2)

    @mock.patch('yardstick.common.utils.open', create=True)
    def test_open_relative_path(self, mock_open):
        mock_open_result = mock_open()
        mock_open_call_count = 1  # initial call to get result

        self.assertEqual(utils.open_relative_file('foo', 'bar'), mock_open_result)

        mock_open_call_count += 1  # one more call expected
        self.assertEqual(mock_open.call_count, mock_open_call_count)
        self.assertIn('foo', mock_open.call_args_list[-1][0][0])
        self.assertNotIn('bar', mock_open.call_args_list[-1][0][0])

        def open_effect(*args, **kwargs):
            if kwargs.get('name', args[0]) == os.path.join('bar', 'foo'):
                return mock_open_result
            raise IOError(errno.ENOENT, 'not found')

        mock_open.side_effect = open_effect
        self.assertEqual(utils.open_relative_file('foo', 'bar'), mock_open_result)

        mock_open_call_count += 2  # two more calls expected
        self.assertEqual(mock_open.call_count, mock_open_call_count)
        self.assertIn('foo', mock_open.call_args_list[-1][0][0])
        self.assertIn('bar', mock_open.call_args_list[-1][0][0])

        # test an IOError of type ENOENT
        mock_open.side_effect = IOError(errno.ENOENT, 'not found')
        with self.assertRaises(IOError):
            # the second call still raises
            utils.open_relative_file('foo', 'bar')

        mock_open_call_count += 2  # two more calls expected
        self.assertEqual(mock_open.call_count, mock_open_call_count)
        self.assertIn('foo', mock_open.call_args_list[-1][0][0])
        self.assertIn('bar', mock_open.call_args_list[-1][0][0])

        # test an IOError other than ENOENT
        mock_open.side_effect = IOError(errno.EBUSY, 'busy')
        with self.assertRaises(IOError):
            utils.open_relative_file('foo', 'bar')

        mock_open_call_count += 1  # one more call expected
        self.assertEqual(mock_open.call_count, mock_open_call_count)


class TestMacAddressToHex(ut_base.BaseUnitTestCase):

    def test_mac_address_to_hex_list(self):
        self.assertEqual(utils.mac_address_to_hex_list("ea:3e:e1:9a:99:e8"),
                         ['0xea', '0x3e', '0xe1', '0x9a', '0x99', '0xe8'])

    def test_mac_address_to_hex_list_too_short_mac(self):
        with self.assertRaises(exceptions.InvalidMacAddress):
            utils.mac_address_to_hex_list("ea:3e:e1:9a")

    def test_mac_address_to_hex_list_no_int_mac(self):
        with self.assertRaises(exceptions.InvalidMacAddress):
            utils.mac_address_to_hex_list("invalid_mac")


class TranslateToStrTestCase(ut_base.BaseUnitTestCase):

    def test_translate_to_str_unicode(self):
        input_str = u'hello'
        output_str = utils.translate_to_str(input_str)

        result = 'hello'
        self.assertEqual(result, output_str)

    def test_translate_to_str_dict_list_unicode(self):
        input_str = {
            u'hello': {u'hello': [u'world']}
        }
        output_str = utils.translate_to_str(input_str)

        result = {
            'hello': {'hello': ['world']}
        }
        self.assertEqual(result, output_str)

    def test_translate_to_str_non_string(self):
        input_value = object()
        result = utils.translate_to_str(input_value)
        self.assertIs(input_value, result)


class TestParseCpuInfo(ut_base.BaseUnitTestCase):

    def test_single_socket_no_hyperthread(self):
        cpuinfo = """\
processor       : 2
vendor_id       : GenuineIntel
cpu family      : 6
model           : 60
model name      : Intel Core Processor (Haswell, no TSX)
stepping        : 1
microcode       : 0x1
cpu MHz         : 2294.684
cache size      : 4096 KB
physical id     : 0
siblings        : 5
core id         : 2
cpu cores       : 5
apicid          : 2
initial apicid  : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt arat
bugs            :
bogomips        : 4589.36
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 3
vendor_id       : GenuineIntel
cpu family      : 6
model           : 60
model name      : Intel Core Processor (Haswell, no TSX)
stepping        : 1
microcode       : 0x1
cpu MHz         : 2294.684
cache size      : 4096 KB
physical id     : 0
siblings        : 5
core id         : 3
cpu cores       : 5
apicid          : 3
initial apicid  : 3
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt arat
bugs            :
bogomips        : 4589.36
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 4
vendor_id       : GenuineIntel
cpu family      : 6
model           : 60
model name      : Intel Core Processor (Haswell, no TSX)
stepping        : 1
microcode       : 0x1
cpu MHz         : 2294.684
cache size      : 4096 KB
physical id     : 0
siblings        : 5
core id         : 4
cpu cores       : 5
apicid          : 4
initial apicid  : 4
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt arat
bugs            :
bogomips        : 4589.36
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

"""
        socket_map = utils.SocketTopology.parse_cpuinfo(cpuinfo)
        self.assertEqual(sorted(socket_map.keys()), [0])
        self.assertEqual(sorted(socket_map[0].keys()), [2, 3, 4])

    def test_single_socket_hyperthread(self):
        cpuinfo = """\
processor       : 5
vendor_id       : GenuineIntel
cpu family      : 6
model           : 60
model name      : Intel(R) Xeon(R) CPU E3-1275 v3 @ 3.50GHz
stepping        : 3
microcode       : 0x1d
cpu MHz         : 3501.708
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 1
cpu cores       : 4
apicid          : 3
initial apicid  : 3
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm epb tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt dtherm ida arat pln pts
bugs            :
bogomips        : 6987.36
clflush size    : 64
cache_alignment : 64
address sizes   : 39 bits physical, 48 bits virtual
power management:

processor       : 6
vendor_id       : GenuineIntel
cpu family      : 6
model           : 60
model name      : Intel(R) Xeon(R) CPU E3-1275 v3 @ 3.50GHz
stepping        : 3
microcode       : 0x1d
cpu MHz         : 3531.829
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 2
cpu cores       : 4
apicid          : 5
initial apicid  : 5
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm epb tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt dtherm ida arat pln pts
bugs            :
bogomips        : 6987.36
clflush size    : 64
cache_alignment : 64
address sizes   : 39 bits physical, 48 bits virtual
power management:

processor       : 7
vendor_id       : GenuineIntel
cpu family      : 6
model           : 60
model name      : Intel(R) Xeon(R) CPU E3-1275 v3 @ 3.50GHz
stepping        : 3
microcode       : 0x1d
cpu MHz         : 3500.213
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 3
cpu cores       : 4
apicid          : 7
initial apicid  : 7
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm epb tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt dtherm ida arat pln pts
bugs            :
bogomips        : 6987.24
clflush size    : 64
cache_alignment : 64
address sizes   : 39 bits physical, 48 bits virtual
power management:

"""
        socket_map = utils.SocketTopology.parse_cpuinfo(cpuinfo)
        self.assertEqual(sorted(socket_map.keys()), [0])
        self.assertEqual(sorted(socket_map[0].keys()), [1, 2, 3])
        self.assertEqual(sorted(socket_map[0][1]), [5])
        self.assertEqual(sorted(socket_map[0][2]), [6])
        self.assertEqual(sorted(socket_map[0][3]), [7])

    def test_dual_socket_hyperthread(self):
        cpuinfo = """\
processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.976
cache size      : 56320 KB
physical id     : 0
siblings        : 44
core id         : 1
cpu cores       : 22
apicid          : 2
initial apicid  : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4401.07
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 2
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1226.892
cache size      : 56320 KB
physical id     : 0
siblings        : 44
core id         : 2
cpu cores       : 22
apicid          : 4
initial apicid  : 4
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4400.84
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 43
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.305
cache size      : 56320 KB
physical id     : 1
siblings        : 44
core id         : 28
cpu cores       : 22
apicid          : 120
initial apicid  : 120
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4411.31
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 44
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.305
cache size      : 56320 KB
physical id     : 0
siblings        : 44
core id         : 0
cpu cores       : 22
apicid          : 1
initial apicid  : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4410.61
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 85
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.573
cache size      : 56320 KB
physical id     : 1
siblings        : 44
core id         : 26
cpu cores       : 22
apicid          : 117
initial apicid  : 117
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4409.07
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 86
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.305
cache size      : 56320 KB
physical id     : 1
siblings        : 44
core id         : 27
cpu cores       : 22
apicid          : 119
initial apicid  : 119
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4406.62
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 87
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.708
cache size      : 56320 KB
physical id     : 1
siblings        : 44
core id         : 28
cpu cores       : 22
apicid          : 121
initial apicid  : 121
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4413.48
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

"""
        socket_map = utils.SocketTopology.parse_cpuinfo(cpuinfo)
        self.assertEqual(sorted(socket_map.keys()), [0, 1])
        self.assertEqual(sorted(socket_map[0].keys()), [0, 1, 2])
        self.assertEqual(sorted(socket_map[1].keys()), [26, 27, 28])
        self.assertEqual(sorted(socket_map[0][0]), [44])
        self.assertEqual(sorted(socket_map[0][1]), [1])
        self.assertEqual(sorted(socket_map[0][2]), [2])
        self.assertEqual(sorted(socket_map[1][26]), [85])
        self.assertEqual(sorted(socket_map[1][27]), [86])
        self.assertEqual(sorted(socket_map[1][28]), [43, 87])

    def test_dual_socket_no_hyperthread(self):
        cpuinfo = """\
processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.976
cache size      : 56320 KB
physical id     : 0
siblings        : 44
core id         : 1
cpu cores       : 22
apicid          : 2
initial apicid  : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4401.07
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 2
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1226.892
cache size      : 56320 KB
physical id     : 0
siblings        : 44
core id         : 2
cpu cores       : 22
apicid          : 4
initial apicid  : 4
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4400.84
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 43
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.305
cache size      : 56320 KB
physical id     : 1
siblings        : 44
core id         : 28
cpu cores       : 22
apicid          : 120
initial apicid  : 120
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4411.31
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 44
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.305
cache size      : 56320 KB
physical id     : 0
siblings        : 44
core id         : 0
cpu cores       : 22
apicid          : 1
initial apicid  : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4410.61
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 85
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.573
cache size      : 56320 KB
physical id     : 1
siblings        : 44
core id         : 26
cpu cores       : 22
apicid          : 117
initial apicid  : 117
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4409.07
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 86
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.305
cache size      : 56320 KB
physical id     : 1
siblings        : 44
core id         : 27
cpu cores       : 22
apicid          : 119
initial apicid  : 119
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4406.62
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor       : 87
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001f
cpu MHz         : 1200.708
cache size      : 56320 KB
physical id     : 1
siblings        : 44
core id         : 28
cpu cores       : 22
apicid          : 121
initial apicid  : 121
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_ppin intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4413.48
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

"""
        socket_map = utils.SocketTopology.parse_cpuinfo(cpuinfo)
        processors = socket_map.processors()
        self.assertEqual(processors, [1, 2, 43, 44, 85, 86, 87])
        cores = socket_map.cores()
        self.assertEqual(cores, [0, 1, 2, 26, 27, 28])
        sockets = socket_map.sockets()
        self.assertEqual(sockets, [0, 1])


class ChangeObjToDictTestCase(ut_base.BaseUnitTestCase):

    def test_change_obj_to_dict(self):
        class A(object):
            def __init__(self):
                self.name = 'yardstick'

        obj = A()
        obj_r = utils.change_obj_to_dict(obj)
        obj_s = {'name': 'yardstick'}
        self.assertEqual(obj_r, obj_s)


class SetDictValueTestCase(ut_base.BaseUnitTestCase):

    def test_set_dict_value(self):
        input_dic = {
            'hello': 'world'
        }
        output_dic = utils.set_dict_value(input_dic, 'welcome.to', 'yardstick')
        self.assertEqual(output_dic.get('welcome', {}).get('to'), 'yardstick')


class RemoveFileTestCase(ut_base.BaseUnitTestCase):

    def test_remove_file(self):
        try:
            utils.remove_file('notexistfile.txt')
        except Exception as e:  # pylint: disable=broad-except
            # NOTE(ralonsoh): to narrow the scope of this exception.
            self.assertTrue(isinstance(e, OSError))


class ParseIniFileTestCase(ut_base.BaseUnitTestCase):

    def setUp(self):
        self._mock_config_parser_type = mock.patch.object(configparser,
                                                          'ConfigParser')
        self.mock_config_parser_type = self._mock_config_parser_type.start()
        self.addCleanup(self._stop_mocks)

    def _stop_mocks(self):
        self._mock_config_parser_type.stop()

    def test_parse_ini_file(self):
        defaults = {'default1': 'value1',
                    'default2': 'value2'}
        s1 = {'key1': 'value11',
              'key2': 'value22'}
        s2 = {'key1': 'value123',
              'key2': 'value234'}

        mock_config_parser = mock.Mock()
        self.mock_config_parser_type.return_value = mock_config_parser
        mock_config_parser.read.return_value = True
        mock_config_parser.sections.return_value = ['s1', 's2']
        mock_config_parser.items.side_effect = iter([
            defaults.items(),
            s1.items(),
            s2.items(),
        ])

        expected = {'DEFAULT': defaults,
                    's1': s1,
                    's2': s2}
        result = utils.parse_ini_file('my_path')
        self.assertDictEqual(expected, result)

    @mock.patch.object(utils, 'logger')
    def test_parse_ini_file_missing_section_header(self, *args):
        mock_config_parser = mock.Mock()
        self.mock_config_parser_type.return_value = mock_config_parser
        mock_config_parser.read.side_effect = (
            configparser.MissingSectionHeaderError(
                mock.Mock(), 321, mock.Mock()))

        with self.assertRaises(configparser.MissingSectionHeaderError):
            utils.parse_ini_file('my_path')

    def test_parse_ini_file_no_file(self):
        mock_config_parser = mock.Mock()
        self.mock_config_parser_type.return_value = mock_config_parser
        mock_config_parser.read.return_value = False
        with self.assertRaises(RuntimeError):
            utils.parse_ini_file('my_path')

    def test_parse_ini_file_no_default_section_header(self):
        s1 = {'key1': 'value11',
              'key2': 'value22'}
        s2 = {'key1': 'value123',
              'key2': 'value234'}

        mock_config_parser = mock.Mock()
        self.mock_config_parser_type.return_value = mock_config_parser
        mock_config_parser.read.return_value = True
        mock_config_parser.sections.return_value = ['s1', 's2']
        mock_config_parser.items.side_effect = iter([
            configparser.NoSectionError(mock.Mock()),
            s1.items(),
            s2.items(),
        ])

        expected = {'DEFAULT': {},
                    's1': s1,
                    's2': s2}
        result = utils.parse_ini_file('my_path')
        self.assertDictEqual(expected, result)


class TestUtils(ut_base.BaseUnitTestCase):

    @mock.patch('yardstick.common.utils.os.makedirs')
    def test_makedirs(self, *_):
        self.assertIsNone(utils.makedirs('a/b/c/d'))

    @mock.patch('yardstick.common.utils.os.makedirs')
    def test_makedirs_exists(self, mock_os_makedirs):
        mock_os_makedirs.side_effect = OSError(errno.EEXIST, 'exists')
        self.assertIsNone(utils.makedirs('a/b/c/d'))

    @mock.patch('yardstick.common.utils.os.makedirs')
    def test_makedirs_busy(self, mock_os_makedirs):
        mock_os_makedirs.side_effect = OSError(errno.EBUSY, 'busy')
        with self.assertRaises(OSError):
            utils.makedirs('a/b/c/d')

    @mock.patch('yardstick.common.utils.jsonify')
    def test_result_handler(self, mock_jsonify):
        mock_jsonify.return_value = 432

        self.assertEqual(utils.result_handler('x', 234), 432)
        mock_jsonify.assert_called_once_with({'status': 'x', 'result': 234})

    @mock.patch('random.randint')
    @mock.patch('socket.socket')
    def test_get_free_port(self, mock_socket, mock_randint):
        mock_randint.return_value = 7777
        s = mock_socket('x', 'y')
        s.connect_ex.side_effect = iter([0, 1])
        result = utils.get_free_port('10.20.30.40')
        self.assertEqual(result, 7777)
        self.assertEqual(s.connect_ex.call_count, 2)

    @mock.patch('subprocess.check_output')
    def test_execute_command(self, mock_check_output):
        expected = ['hello world', '1234']
        mock_check_output.return_value = os.linesep.join(expected)
        result = utils.execute_command('my_command arg1 arg2')
        self.assertEqual(result, expected)

    @mock.patch('subprocess.Popen')
    def test_source_env(self, mock_popen):
        base_env = deepcopy(os.environ)
        mock_process = mock_popen()
        output_list = [
            'garbage line before',
            'NEW_ENV_VALUE=234',
            'garbage line after',
        ]
        mock_process.communicate.return_value = os.linesep.join(output_list), '', 0
        expected = {'NEW_ENV_VALUE': '234'}
        result = utils.source_env('my_file')
        self.assertDictEqual(result, expected)
        os.environ.clear()
        os.environ.update(base_env)

    @mock.patch.object(configparser, 'ConfigParser')
    def test_parse_ini_file(self, mock_config_parser_type):
        defaults = {
            'default1': 'value1',
            'default2': 'value2',
        }
        s1 = {
            'key1': 'value11',
            'key2': 'value22',
        }
        s2 = {
            'key1': 'value123',
            'key2': 'value234',
        }

        mock_config_parser = mock_config_parser_type()
        mock_config_parser.read.return_value = True
        mock_config_parser.sections.return_value = ['s1', 's2']
        mock_config_parser.items.side_effect = iter([
            defaults.items(),
            s1.items(),
            s2.items(),
        ])

        expected = {
            'DEFAULT': defaults,
            's1': s1,
            's2': s2,
        }
        result = utils.parse_ini_file('my_path')
        self.assertDictEqual(result, expected)

    @mock.patch.object(utils, 'logger')
    @mock.patch.object(configparser, 'ConfigParser')
    def test_parse_ini_file_missing_section_header(
            self, mock_config_parser_type, *args):
        mock_config_parser = mock_config_parser_type()
        mock_config_parser.read.side_effect = (
            configparser.MissingSectionHeaderError(mock.Mock(), 321,
                                                   mock.Mock()))

        with self.assertRaises(configparser.MissingSectionHeaderError):
            utils.parse_ini_file('my_path')

    @mock.patch.object(configparser, 'ConfigParser')
    def test_parse_ini_file_no_file(self, mock_config_parser_type):
        mock_config_parser = mock_config_parser_type()
        mock_config_parser.read.return_value = False
        with self.assertRaises(RuntimeError):
            utils.parse_ini_file('my_path')

    @mock.patch.object(configparser, 'ConfigParser')
    def test_parse_ini_file_no_default_section_header(self, mock_config_parser_type):
        s1 = {
            'key1': 'value11',
            'key2': 'value22',
        }
        s2 = {
            'key1': 'value123',
            'key2': 'value234',
        }

        mock_config_parser = mock_config_parser_type()
        mock_config_parser.read.return_value = True
        mock_config_parser.sections.return_value = ['s1', 's2']
        mock_config_parser.items.side_effect = iter([
            configparser.NoSectionError(mock.Mock()),
            s1.items(),
            s2.items(),
        ])

        expected = {
            'DEFAULT': {},
            's1': s1,
            's2': s2,
        }
        result = utils.parse_ini_file('my_path')
        self.assertDictEqual(result, expected)

    def test_join_non_strings(self):
        self.assertEqual(utils.join_non_strings(':'), '')
        self.assertEqual(utils.join_non_strings(':', 'a'), 'a')
        self.assertEqual(utils.join_non_strings(':', 'a', 2, 'c'), 'a:2:c')
        self.assertEqual(utils.join_non_strings(':', ['a', 2, 'c']), 'a:2:c')
        self.assertEqual(utils.join_non_strings(':', 'abc'), 'abc')

    def test_validate_non_string_sequence(self):
        self.assertEqual(utils.validate_non_string_sequence([1, 2, 3]), [1, 2, 3])
        self.assertIsNone(utils.validate_non_string_sequence('123'))
        self.assertIsNone(utils.validate_non_string_sequence(1))

        self.assertEqual(utils.validate_non_string_sequence(1, 2), 2)
        self.assertEqual(utils.validate_non_string_sequence(1, default=2), 2)

        with self.assertRaises(RuntimeError):
            utils.validate_non_string_sequence(1, raise_exc=RuntimeError)


class TestUtilsIpAddrMethods(ut_base.BaseUnitTestCase):

    GOOD_IP_V4_ADDRESS_STR_LIST = [
        u'0.0.0.0',
        u'10.20.30.40',
        u'127.0.0.1',
        u'10.20.30.40',
        u'172.29.50.75',
        u'192.168.230.9',
        u'255.255.255.255',
    ]

    GOOD_IP_V4_MASK_STR_LIST = [
        u'/1',
        u'/8',
        u'/13',
        u'/19',
        u'/24',
        u'/32',
    ]

    GOOD_IP_V6_ADDRESS_STR_LIST = [
        u'::1',
        u'fe80::250:56ff:fe89:91ff',
        u'123:4567:89ab:cdef:123:4567:89ab:cdef',
    ]

    GOOD_IP_V6_MASK_STR_LIST = [
        u'/1',
        u'/16',
        u'/29',
        u'/64',
        u'/99',
        u'/128',
    ]

    INVALID_IP_ADDRESS_STR_LIST = [
        1,
        u'w.x.y.z',
        u'10.20.30.40/33',
        u'123:4567:89ab:cdef:123:4567:89ab:cdef/129',
    ]

    def test_make_ipv4_address(self):
        for addr in self.GOOD_IP_V4_ADDRESS_STR_LIST:
            # test with no mask
            expected = ipaddress.IPv4Address(addr)
            self.assertEqual(utils.make_ipv4_address(addr), expected, addr)

    def test_make_ipv4_address_error(self):
        addr_list = self.INVALID_IP_ADDRESS_STR_LIST +\
                    self.GOOD_IP_V6_ADDRESS_STR_LIST
        for addr in addr_list:
            self.assertRaises(Exception, utils.make_ipv4_address, addr)


    def test_safe_ip_address(self):
        addr_list = self.GOOD_IP_V4_ADDRESS_STR_LIST
        for addr in addr_list:
            # test with no mask
            expected = ipaddress.ip_address(addr)
            self.assertEqual(utils.safe_ip_address(addr), expected, addr)

    def test_safe_ip_address_v6_ip(self):
        addr_list = self.GOOD_IP_V6_ADDRESS_STR_LIST
        for addr in addr_list:
            # test with no mask
            expected = ipaddress.ip_address(addr)
            self.assertEqual(utils.safe_ip_address(addr), expected, addr)

    @mock.patch("yardstick.common.utils.logging")
    def test_safe_ip_address_negative(self, *args):
        # NOTE(ralonsoh): check the calls to mocked functions.
        for value in self.INVALID_IP_ADDRESS_STR_LIST:
            self.assertIsNone(utils.safe_ip_address(value), value)

        addr_list = self.GOOD_IP_V4_ADDRESS_STR_LIST
        mask_list = self.GOOD_IP_V4_MASK_STR_LIST
        for addr_mask_pair in product(addr_list, mask_list):
            value = ''.join(addr_mask_pair)
            self.assertIsNone(utils.safe_ip_address(value), value)

        addr_list = self.GOOD_IP_V6_ADDRESS_STR_LIST
        mask_list = self.GOOD_IP_V6_MASK_STR_LIST
        for addr_mask_pair in product(addr_list, mask_list):
            value = ''.join(addr_mask_pair)
            self.assertIsNone(utils.safe_ip_address(value), value)

    def test_get_ip_version(self):
        addr_list = self.GOOD_IP_V4_ADDRESS_STR_LIST
        for addr in addr_list:
            # test with no mask
            self.assertEqual(utils.get_ip_version(addr), 4, addr)

    def test_get_ip_version_v6_ip(self):
        addr_list = self.GOOD_IP_V6_ADDRESS_STR_LIST
        for addr in addr_list:
            # test with no mask
            self.assertEqual(utils.get_ip_version(addr), 6, addr)

    @mock.patch("yardstick.common.utils.logging")
    def test_get_ip_version_negative(self, *args):
        # NOTE(ralonsoh): check the calls to mocked functions.
        for value in self.INVALID_IP_ADDRESS_STR_LIST:
            self.assertIsNone(utils.get_ip_version(value), value)

        addr_list = self.GOOD_IP_V4_ADDRESS_STR_LIST
        mask_list = self.GOOD_IP_V4_MASK_STR_LIST
        for addr_mask_pair in product(addr_list, mask_list):
            value = ''.join(addr_mask_pair)
            self.assertIsNone(utils.get_ip_version(value), value)

        addr_list = self.GOOD_IP_V6_ADDRESS_STR_LIST
        mask_list = self.GOOD_IP_V6_MASK_STR_LIST
        for addr_mask_pair in product(addr_list, mask_list):
            value = ''.join(addr_mask_pair)
            self.assertIsNone(utils.get_ip_version(value), value)

    def test_ip_to_hex(self):
        self.assertEqual(utils.ip_to_hex('0.0.0.0'), '00000000')
        self.assertEqual(utils.ip_to_hex('10.20.30.40'), '0a141e28')
        self.assertEqual(utils.ip_to_hex('127.0.0.1'), '7f000001')
        self.assertEqual(utils.ip_to_hex('172.31.90.100'), 'ac1f5a64')
        self.assertEqual(utils.ip_to_hex('192.168.254.253'), 'c0a8fefd')
        self.assertEqual(utils.ip_to_hex('255.255.255.255'), 'ffffffff')

    def test_ip_to_hex_v6_ip(self):
        for value in self.GOOD_IP_V6_ADDRESS_STR_LIST:
            self.assertEqual(utils.ip_to_hex(value), value)

    @mock.patch("yardstick.common.utils.logging")
    def test_ip_to_hex_negative(self, *args):
        # NOTE(ralonsoh): check the calls to mocked functions.
        addr_list = self.GOOD_IP_V4_ADDRESS_STR_LIST
        mask_list = self.GOOD_IP_V4_MASK_STR_LIST
        value_iter = (''.join(pair) for pair in product(addr_list, mask_list))
        for value in chain(value_iter, self.INVALID_IP_ADDRESS_STR_LIST):
            self.assertEqual(utils.ip_to_hex(value), value)

    def test_get_mask_from_ip_range_ipv4(self):
        ip_str = '1.1.1.1'
        for mask in range(8, 30):
            ip = ipaddress.ip_network(ip_str + '/' + str(mask), strict=False)
            result = utils.get_mask_from_ip_range(ip[2], ip[-2])
            self.assertEqual(mask, result)

    def test_get_mask_from_ip_range_ipv6(self):
        ip_str = '2001::1'
        for mask in range(8, 120):
            ip = ipaddress.ip_network(ip_str + '/' + str(mask), strict=False)
            result = utils.get_mask_from_ip_range(ip[2], ip[-2])
            self.assertEqual(mask, result)


class SafeDecodeUtf8TestCase(ut_base.BaseUnitTestCase):

    @unittest.skipIf(six.PY2,
                     'This test should only be launched with Python 3.x')
    def test_safe_decode_utf8(self):
        _bytes = b'this is a byte array'
        out = utils.safe_decode_utf8(_bytes)
        self.assertIs(type(out), str)
        self.assertEqual('this is a byte array', out)


class ReadMeminfoTestCase(ut_base.BaseUnitTestCase):

    MEMINFO = (b'MemTotal:       65860500 kB\n'
               b'MemFree:        28690900 kB\n'
               b'MemAvailable:   52873764 kB\n'
               b'Active(anon):    3015676 kB\n'
               b'HugePages_Total:       8\n'
               b'Hugepagesize:    1048576 kB')
    MEMINFO_DICT = {'MemTotal': '65860500',
                    'MemFree': '28690900',
                    'MemAvailable': '52873764',
                    'Active(anon)': '3015676',
                    'HugePages_Total': '8',
                    'Hugepagesize': '1048576'}

    def test_read_meminfo(self):
        ssh_client = ssh.SSH('user', 'host')
        with mock.patch.object(ssh_client, 'get_file_obj') as \
                mock_get_client, \
                mock.patch.object(six, 'BytesIO',
                                  return_value=six.BytesIO(self.MEMINFO)):
            output = utils.read_meminfo(ssh_client)
            mock_get_client.assert_called_once_with('/proc/meminfo', mock.ANY)
        self.assertEqual(self.MEMINFO_DICT, output)


class TimerTestCase(ut_base.BaseUnitTestCase):

    def test__getattr(self):
        with utils.Timer() as timer:
            time.sleep(1)
        self.assertEqual(1, round(timer.total_seconds(), 0))
        self.assertEqual(1, timer.delta.seconds)

    def test__enter_with_timeout(self):
        with utils.Timer(timeout=10) as timer:
            time.sleep(1)
        self.assertEqual(1, round(timer.total_seconds(), 0))

    def test__enter_with_timeout_exception(self):
        with self.assertRaises(exceptions.TimerTimeout):
            with utils.Timer(timeout=1):
                time.sleep(2)

    def test__enter_with_timeout_no_exception(self):
        with utils.Timer(timeout=1, raise_exception=False):
            time.sleep(2)

    def test__iter(self):
        iterations = []
        for i in utils.Timer(timeout=2):
            iterations.append(i)
            time.sleep(1.1)
        self.assertEqual(2, len(iterations))

    def test_delta_time_sec(self):
        with utils.Timer() as timer:
            self.assertIsInstance(timer.delta_time_sec(), float)


class WaitUntilTrueTestCase(ut_base.BaseUnitTestCase):

    def test_no_timeout(self):
        self.assertIsNone(utils.wait_until_true(lambda: True,
                                                timeout=1, sleep=1))

    def test_timeout_generic_exception(self):
        with self.assertRaises(exceptions.WaitTimeout):
            self.assertIsNone(utils.wait_until_true(lambda: False,
                                                    timeout=1, sleep=1))

    def test_timeout_given_exception(self):
        class MyTimeoutException(exceptions.YardstickException):
            message = 'My timeout exception'

        with self.assertRaises(MyTimeoutException):
            self.assertIsNone(
                utils.wait_until_true(lambda: False, timeout=1, sleep=1,
                                      exception=MyTimeoutException))

    def _run_thread(self):
        with self.assertRaises(exceptions.WaitTimeout):
            utils.wait_until_true(lambda: False, timeout=1, sleep=1)

    def test_timeout_no_main_thread(self):
        new_thread = threading.Thread(target=self._run_thread)
        new_thread.start()
        new_thread.join(timeout=3)


class SendSocketCommandTestCase(unittest.TestCase):

    @mock.patch.object(socket, 'socket')
    def test_execute_correct(self, mock_socket):
        mock_socket_obj = mock.Mock()
        mock_socket_obj.connect_ex.return_value = 0
        mock_socket.return_value = mock_socket_obj
        self.assertEqual(0, utils.send_socket_command('host', 22, 'command'))
        mock_socket.assert_called_once_with(socket.AF_INET, socket.SOCK_STREAM)
        mock_socket_obj.connect_ex.assert_called_once_with(('host', 22))
        mock_socket_obj.sendall.assert_called_once_with(six.b('command'))
        mock_socket_obj.close.assert_called_once()

    @mock.patch.object(socket, 'socket')
    def test_execute_exception(self, mock_socket):
        mock_socket_obj = mock.Mock()
        mock_socket_obj.connect_ex.return_value = 0
        mock_socket.return_value = mock_socket_obj
        mock_socket_obj.sendall.side_effect = socket.error
        self.assertEqual(1, utils.send_socket_command('host', 22, 'command'))
        mock_socket.assert_called_once_with(socket.AF_INET, socket.SOCK_STREAM)
        mock_socket_obj.connect_ex.assert_called_once_with(('host', 22))
        mock_socket_obj.sendall.assert_called_once_with(six.b('command'))
        mock_socket_obj.close.assert_called_once()


class GetPortMacTestCase(unittest.TestCase):

    def setUp(self):
        self.ssh_client = mock.Mock()
        self.ssh_client.execute.return_value = (0, 'foo    ', '')

    def test_ssh_client_execute_called(self):
        utils.get_port_mac(self.ssh_client, 99)
        self.ssh_client.execute.assert_called_once_with(
            "ifconfig |grep HWaddr |grep 99 |awk '{print $5}' ",
            raise_on_error=True)

    def test_return_value(self):
        self.assertEqual('foo', utils.get_port_mac(self.ssh_client, 99))


class GetPortIPTestCase(unittest.TestCase):

    def setUp(self):
        self.ssh_client = mock.Mock()
        self.ssh_client.execute.return_value = (0, 'foo    ', '')

    def test_ssh_client_execute_called(self):
        utils.get_port_ip(self.ssh_client, 99)
        self.ssh_client.execute.assert_called_once_with(
            "ifconfig 99 |grep 'inet addr' |awk '{print $2}' |cut -d ':' -f2 ",
            raise_on_error=True)

    def test_return_value(self):
        self.assertEqual('foo', utils.get_port_ip(self.ssh_client, 99))


class SafeCaseTestCase(unittest.TestCase):

    def test_correct_type_int(self):
        self.assertEqual(35, utils.safe_cast('35', int, 0))

    def test_correct_int_as_string(self):
        self.assertEqual(25, utils.safe_cast('25', 'int', 0))

    def test_incorrect_type_as_string(self):
        with self.assertRaises(exceptions.InvalidType):
            utils.safe_cast('100', 'intt', 0)

    def test_default_value(self):
        self.assertEqual(0, utils.safe_cast('', 'int', 0))


class SetupHugepagesTestCase(unittest.TestCase):

    @mock.patch.object(six, 'BytesIO', return_value=six.BytesIO(b'5\n'))
    @mock.patch.object(utils, 'read_meminfo',
                       return_value={'Hugepagesize': '1024'})
    def test_setup_hugepages(self, mock_meminfo, *args):
        ssh = mock.Mock()
        ssh.execute = mock.Mock()
        hp_size_kb, hp_number, hp_number_set = utils.setup_hugepages(ssh, 10 * 1024)
        mock_meminfo.assert_called_once_with(ssh)
        ssh.execute.assert_called_once_with(
            'echo 10 | sudo tee /proc/sys/vm/nr_hugepages')
        self.assertEqual(hp_size_kb, 1024)
        self.assertEqual(hp_number, 10)
        self.assertEqual(hp_number_set, 5)